WAGO I/O System 750/753 Item no. 753-406 2-channel digital input; 120 VAC Item no. 753-406 2-channel digital input Please wait ... Prices and availability Your price per piece* On request PU (SPU): 1 Piece Item no. 753-406 2-channel digital input Please wait ... Prices and availability Your price per piece* On request PU (SPU): 1 Piece